magento-widget-categories
There are 2 repositories under magento-widget-categories topic.
magepow/magento-2-categories
Magento 2 Category Extension is a module that helps you present custom product categories on the pages, navigating customers to your featured product categories.
vs7/magento2-module-promobanner
Magento2 module. Provides a rule & category - associated banner with widget that shows them (all corresponding banners) in current category. Inform your customers about available promotions in selected category.